in libya that killed the united states ambassador and three other americans. >> we were misled that there were supposedly protests and something sprang out of that and that was easily ascertained that was not the fact and the american people could have known that within days. and they didn't know that. >> with all due respect, the fact is, we had four dead americans, was it because of a protest or was it because of guys out for a walk one night who decided they'd go kill some americans? what difference, at this point, does it make? it is our job to figure out what happened and do everything we can to prevent it from ever happening again, senator. >> an "outfront" exclusive. republican senator ron johnson of wisconsin. member of the foreign relations committee. senator johnson, obviously, you hear that moment. that was your moment earlier today. as the secretary said in such an impassioned way what difference does it make at this point what happened then when we need to prevent it from happening again. does she have a point? >> first of all, the reason it makes a difference is becaus